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Self-Healable Sensors based Nanoparticles for Detecting Physiological Markers via Skin and Breath: Towards Disease Prevention via Wearable Devices Han Jin, Tan-Phat Huynh, and Hossam Haick Nano Lett., Just Accepted Manuscript • DOI: 10.1021/acs.nanolett.6b01066 • Publication Date (Web): 21 Jun 2016 Downloaded from http://pubs.acs.org on June 23, 2016
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Nano Letters
Self-Healable Sensors based Nanoparticles for Detecting Physiological Markers via Skin and Breath: Towards Disease Prevention via Wearable Devices
Han Jin,1,2 Tan-Phat Huynh1 and Hossam Haick1,3, * 1
The Department of Chemical Engineering, Technion – Israel Institute of Technology, Haifa 3200003, Israel.
2
The Faculty of Information Science and Engineering, Ningbo University, Ningbo 315211, P. R. China.
3
The Russell Berrie Nanotechnology Institute, Technion – Israel Institute of Technology, Haifa 3200003, Israel.
Abstract: Flexible and wearable electronic sensors are useful in the early diagnosis after continuously monitoring an individual’s health state. Sampling of volatile organic compounds (VOCs) derived from human breath/skin or monitoring abrupt changes in heart-beat/breath rate should allow non-invasive monitoring of disease states at an early stage. Nevertheless, for many reported wearable sensing devices, interaction with the human body can lead incidentally to unavoidable scratches and/or mechanical cuts that lead to malfunction of these devices. We now offer proof-of-concept of nanoparticle-based flexible sensor arrays with fascinating self-healing abilities. By integrating a self-healable polymer substrate with 5 kinds of ligands-functionalized gold nanoparticles (GNP) films, a sensor array gives a fast self-healing rate (
